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lys-0071 [83]
3 years ago
11

STANDARD FORM OF A LINEAR EQUATION

Mathematics
1 answer:
scoray [572]3 years ago
6 0
The standard form is 2x-y=3.
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at the science school, there is one microscope for every 5 students. The principal figures that in order to have one for every 4
Gennadij [26K]
Answer: 120 students

Explanation:

Let x be the number of scopes
Let a be the number of student at school

1x = 5 students
But 5x = a

1x = 4 students
But the principal needs 6 additional scope so that all the students can use it.

=> (x + 6) = 4 students
=> 4(x + 6) = a

Thus,
5x = 4(x + 6)
5x = 4x + 24
5x - 4x = 24
x = 24

So, there are 24 scopes.

Plug x in both equation and compare:

5x = a
5(24) = a
120 = a

4(x + 6) = a
4(24 + 6) = a
4(30) = a
120 = a

Therefore, the students at the school are 120
6 0
3 years ago
How can the product of 7 and 0.2 be determined using this number line?
sdas [7]

Answer:

The product is <u>1.4</u>

Step-by-step explanation:

Every time you multiply 0.2 by a number you will add 0.2 to the last number.

0.2 x 1 = 0.2

0.2 x 2 = 0.4

0.2 x 3 = 0.6

0.2 x 4 = 0.8

0.2 x 5 = 1.0

0.2 x 6 = 1.2

0.2 x 7 = 1.4

Hope this helps :)

sorry if im wrong

5 0
2 years ago
HELP XD : Brainliest to best<br> Math<br> 10 points
blondinia [14]
She should use the spinning wheel because its a 2/12 chance, with a wheel its a 1/6 chance.
7 0
3 years ago
Which system is equivalent to
s344n2d4d5 [400]
Well I’m my opinion and what I have the answe is A
3 0
3 years ago
In recent year, the total receipts for the US federal government were $2154 billion. The total outlays were $2472 billion. The d
valentina_108 [34]

Answer:

4.84512 trillion US$

PLEASE GIVE ME BRAINLIEST

8 0
3 years ago
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